*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body,html{
    font-size: 14px;
    font-family: Arial;
}
.container{
    width: 868px;
    margin: 0 auto;
}
.clearfix::after,
.container::after{
    content: "";
    display: table;
    clear: both;
}
.banner{
    background: #50abd7;
    width: 100%;
    height: 448px;
    position: relative;
}
.nav{
    height: 48px;
    position: relative;
}
.nav img{
    display: block;
    margin: auto;
    padding-top: 5px;
}
.nav a{
   position: absolute;
    right: 75px;
    top: 14px;
    color: #eaf5fb;
}
.header{
    width: 85%;
    height: 400px;
    position: absolute;
    right: 0;
}
.header1{
    width: 40%;
    color: white;
    padding-top: 60px;
    padding-left: 110px;
}
.header1 p:nth-of-type(1){
    font-size: 30px;
}
.header1 p:nth-of-type(2){
    height: 38px;
    display: inline-block;
    line-height: 39px;
    margin-top: 10px;
    background: #2996cc;
    padding: 0 50px;
    cursor: pointer;
    font-weight: 600;
}
.header2{
    width: 60%;
    height: 400px;
    position: relative;
}
.header2 img{
    position: absolute;
    bottom: 0;
}
.main{
    padding-top: 80px;
    padding-bottom: 60px;
}
.main1{
    float: left;
    width: 25%;
    padding: 10px 15px;
    text-align: center;
}
.main1 img{
    display: block;
    margin: 0 auto;
}
.main1 b{
    color: #323f51;
    display: block;
    margin-top: 15px;
    font-size: 12px;
}
.main1 p{
    color: #6a7486;
    font-size:12px;
    line-height: 15px;
}
.footer{
    width: 100%;
    border-top: 1px solid #e0e0e0;
}
.footer1{
    text-align: center;
    padding:60px 0;
}
.footer1 b{
    color: #2e3b4e;
    font-size: 20px;
}
.footer1 p{
    color: #8d95a3;
}
.footer1 img{
    margin-top: 30px;
    margin-right: 25px;
}
.footer2{
    background:#1b2126 ;
    padding: 65px 0 75px 0;
    color: #5a656c;
}


@media(max-width: 768px){
    .container{
        width: 100%;
    }
    .banner{
        height: 485px;
    }
    .header{
        width: 100%;
    }
    .header1{
        width: 100%;
        padding-left: 0;
        text-align: center;
    }
    .header2{
        height: 200px;
        margin-left: 37px;
        margin-top: 30px;
    }
    .header2 img{
        height: 100%;
    }
    .main1{
        width: 100%;
    }
    .footer2{
        padding-left: 20px;
    }
}
@media(min-width: 768px){
    .header1{
        height: 100px;
        float:left;
    }
    .header2{
        float: right;
    }
}